Game guide · SNAZN
Kakurasu: learn through an example
Take a moment to check the current turn. Mark cells so every weighted row total and column total matches its clue. Try the rule on the board, then read the next instruction. A 5×5 grid shows target sums at the right and bottom.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
A small practice goal
Check the rule below as you play. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Start a new round when you are ready to try again.
The challenge in front of you
Keep the goal in view while choosing a move. Mark cells so every weighted row total and column total matches its clue. Start a new round when you are ready to try again.
How to proceed
- A 5×5 grid shows target sums at the right and bottom.
- A marked cell contributes its column number to its row sum, and its row number to its column sum.
- Tap cells to mark or clear them. Current totals are displayed alongside the target totals.
- Match all rows and columns to complete the puzzle. Each generated puzzle is checked to have one solution.
Using the playing area
The board gives you the information needed for the next action. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Keep the goal in mind before your next move.
Work through an example
Check the rule below as you play. Marking columns 2 and 5 in the same row gives that row a total of 7. A mark in row 3 contributes 3 to its column. Keep the goal in mind before your next move.
An important reminder
Read the position before choosing your next action. The value is the position in the row or column, not a uniform count of marked squares.
Further help with the game
For this game, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The game is played locally in your browser.
For this game, how do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. You can start a new round from the game controls.
When I start, can you show an example?
Marking columns 2 and 5 in the same row gives that row a total of 7. A mark in row 3 contributes 3 to its column. The controls work with mouse or touch.
During a round, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. Use the labelled controls for your next action.
On this page, what rules and limits are used here?
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels. Scores here do not represent cash or prizes.
For this game, how many people can play here?
Solo. This is local browser play, not internet matchmaking. No download or player account is required.
When I start, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. The game is played locally in your browser.
Why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. You can start a new round from the game controls.
Does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. The worked example offers another way to follow the rule.
During a round, can I clear a square?
Yes. Tap a marked square again, or use Undo. The instructions above use these same rules.
